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kolbaska11 [484]
3 years ago
5

Please help me with this

Mathematics
2 answers:
juin [17]3 years ago
8 0

Answer:

x=30, <A=60, <C=30

Step-by-step explanation:

A triangle always has its total angles added up to 180 degrees, so we can set up the following equation:

90+2x+x=180

90+3x=180

3x=90

x=30

Since x=30, this means <C is 30 degrees. For <A, it's twice as much as <C, so 2*30=60.

So x=30, <A=60, <C=30

Hope this helped!

Gnom [1K]3 years ago
4 0

Answer:

can u pls make it bigger

Step-by-step explanation:

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A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

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From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

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area of the sector = 360π cm²

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3 years ago
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lilavasa [31]

Answer:

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Step-by-step explanation:

Found the answer online

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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klemol [59]

Step-by-step explanation:

First, we need to add all the checks and money he has.

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